24442421 has 8 divisors (see below), whose sum is σ = 24888864. Its totient is φ = 23999760.

The previous prime is 24442403. The next prime is 24442469. The reversal of 24442421 is 12424442.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 24442421 - 2⁶ = 24442357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24441421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14210 + ... + 15836.

It is an arithmetic number, because the mean of its divisors is an integer number (3111108).

Almost surely, 2^24442421 is an apocalyptic number.

It is an amenable number.

24442421 is a deficient number, since it is larger than the sum of its proper divisors (446443).

24442421 is a wasteful number, since it uses less digits than its factorization.

24442421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1891.

The product of its digits is 2048, while the sum is 23.

The square root of 24442421 is about 4943.9276896006. The cubic root of 24442421 is about 290.2115816228.

Adding to 24442421 its reverse (12424442), we get a palindrome (36866863).

The spelling of 24442421 in words is "twenty-four million, four hundred forty-two thousand, four hundred twenty-one".